[PATCH v2 27/32] selftests/ftrace: Add stacktrace ftrace filter command testcase

From: Masami Hiramatsu
Date: Thu Aug 16 2018 - 12:42:21 EST


Add a test case for stacktrace filter command for ftrace.

Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
---
.../ftrace/test.d/ftrace/func-filter-stacktrace.tc | 12 ++++++++++++
1 file changed, 12 insertions(+)
create mode 100644 tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc

diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc
new file mode 100644
index 000000000000..ec0d8216d509
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc
@@ -0,0 +1,12 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL2.0
+# description: ftrace - stacktrace filter command
+
+echo _do_fork:stacktrace >> set_ftrace_filter
+
+grep -q "_do_fork:stacktrace:unlimited" set_ftrace_filter
+
+(echo "forked"; sleep 1)
+
+grep -q "<stack trace>" trace
+